Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 12, Problem 2TY
A mutation prevents a gene from being transcribed into an mRNA.
The mutation most likely disrupts
- a. the promoter.
- b. the terminator.
- c. the start codon.
- d. the stop codon.
- e. both a and c.
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Students have asked these similar questions
The process of RNA interference may lead toa. the degradation of an mRNA.b. the inhibition of translation of an mRNA.c. the synthesis of an mRNA.d. both a and b.
Which of the following is true about the genetic code?
A. A codon is three to six bases long.
B. Each amino acid is specified by only one codon.
C. The codon signaling the end of transcription also codes for an amino acid.
D. There are multple codons signaling the start of transcription.
E. All organisms use essentially the same genetic code.
The function of the genetic code is toa. promote transcription.b. specify the amino acids within a polypeptide.c. alter the sequence of DNA.d. none of the above
Chapter 12 Solutions
Biology
Ch. 12.1 - What disease would result if a person inherited...Ch. 12.1 - Prob. 2CCCh. 12.1 - What is the direction of flow of genetic...Ch. 12.2 - Core Skill: Connections Look back at the role of...Ch. 12.3 - Prob. 1CCCh. 12.4 - Prob. 1CCCh. 12.4 - Prob. 1EQCh. 12.4 - Prob. 2EQCh. 12.4 - Prob. 3EQCh. 12.5 - Core Skill: Connections Look back at Figure 6.3,...
Ch. 12.5 - Prob. 2CSCh. 12.6 - Prob. 1CCCh. 12 - Which of the following best represents the central...Ch. 12 - A mutation prevents a gene from being transcribed...Ch. 12 - Prob. 3TYCh. 12 - Prob. 4TYCh. 12 - If a eukaryotic mRNA failed to have a cap attached...Ch. 12 - Prob. 6TYCh. 12 - Prob. 7TYCh. 12 - During the initiation of translation, the first...Ch. 12 - Prob. 9TYCh. 12 - Prob. 10TYCh. 12 - Prob. 1CQCh. 12 - Prob. 2CQCh. 12 - Prob. 3CQCh. 12 - Prob. 1COQCh. 12 - Prob. 2COQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Within a cell, the amount of protein made using a given mRNA molecule depends partly on A. the presence of certain transcription factors. B. the rate at which the mRNA is degraded. C. the degree of DNA methylation. D. the number of introns present in the mRNA. please explain which is correct and incorrect and whyarrow_forwardIn the genetic code, one codon a. consists of three bases. b. specifies a single amino acid. c. specifies more than one amino acid. d. Both a and b are correct.arrow_forwardThe aminoacyl-tRNA synthetase enzymes are responsible for: O A. matching each tRNA with the appropriate mRNA codon. O B. catalyzing the enzymatic step of peptide bond formation during translation. O C. synthesizing tRNA molecules in the nucleus from tRNA genes. O D. adding amino acids to appropriate tRNAS (charging the tRNA). O E. regulating the process of amino acid synthesis.arrow_forward
- A release factor is referred to as a “molecular mimic” because its structure is similar to a. a ribosome. b. an mRNA. c. a tRNA. d. an elongation factor.arrow_forwardDuring translation, the codon in mRNA is actually “read” by a. the A site in the ribosome. b. the P site in the ribosome. c. the anticodon in a tRNA. d. the anticodon in an amino acid.arrow_forwardIn eukaryotes, MRNA processing may involve all of the following events except A. repair of MRNA mutations B. addition of a 5' cap. C. addition of a poly A to the 3' end. D. alternative splicing. E. removal of intronsarrow_forward
- When a ribosome reads a codon onmRNA, it must bind to the of acorresponding tRNA.a. start codonb. stop codonc. intrond. exone. anticodonarrow_forwardTranslation can be regulated by a. translational repressors. b. antisense RNA. c. attenuation. d. both a and b.arrow_forwardA codon is: a. An alternative name for gene b. Three amino acids that encode a nucleotide c. Three nucleotides that encode an amino acid d. One of three nucleotides that encode and amino acidarrow_forward
- In prokaryotes, control of gene expression usually occurs at the a. splicing of pre-mRNA into mature mRNA. b. initiation of translation. c. initiation of transcription. d. All of the choices are correct.arrow_forwardThe binding of iron regulatory protein (IRP) to the iron response element (IRE) in the 5′-untranslated region of the ferritin mRNA results ina. inhibition of translation of the ferritin mRNA.b. stimulation of translation of the ferritin mRNA.c. degradation of the ferritin mRNA.d. both a and c.arrow_forwardThe sequence of bases in a sample of MRNA was found to be: GGU,AAU,CCU,UUU,GUU,ACU,CAU,UGU a Deduce the sequence of amino acids this codes for. b Determine the sequence of bases in the coding strand of DNA from which this MRNA was transcribed. c Within a cell, state where the triplet codes, codons and anticodons are found.arrow_forward
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